We searched for learning 2.0 in Technorati by keyword, tags and Blog Directory and found each produced different results. Keyword generated the a large number of results which would require some scanning for relevance. A tag search produced slightly more results and these appeared more specific. The Blog Directory search retrieved fewer results but these results yielded entire blogs on the topic rather than individual posts.
Technorati may have limited applicability for academic and tertiary libraries. It was difficult to make judgements on the relevance of results. It would be necessary to view individual posts or blogs to evaluate their quality. Users may need to be careful with the retrieved information as there may not be editorial or review processes. This observation is particularly important for researchers where the authority and accuracy of information is vital. Examples of the need for both authority and accuracy would be in statistics and quotes from other sources.
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